October 6, 1985: Nigel Mansell claimed his maiden F1 victory in front of an ecstatic Brands Hatch crowd but Alain Prost, courtesy of the three points he gained from finishing fourth, became the first Frenchman to secure the drivers' championship

August 25, 1985: Niki Lauda won the Dutch Grand Prix a week after he had announced he would be retiring at the end of the season. It was to be his 25th and final grand prix win and, on a weekend of farewells, it was the last championship race at Zandvoort and the last Dutch GP

August 18, 1985: Alain Prost's fourth win of the season at the Österreichring took him joint top of the drivers' championship alongside Michele Alboreto. But it was a race which was controversially restarted and was somewhat overshadowed by Niki Lauda's announcement he was to retire for a second time at the end of the year.

August 4, 1985: Michele Alboreto extended his lead over Alain Prost in the drivers' championship to five points with victory at the German Grand Prix. Alboreto's second win of the season was made easier when Prost slid off the track nine laps from the end

July 21, 1985: Alain Prost won the British Grand Prix after a customary measured drive but the battle for the points behind him was mired in controversy as officials waved the chequered flag a lap too early

July 7, 1985: Nelson Piquet's ended a wait of more than a year as he swept to victory in the French Grand Prix, claiming Pirelli's first win since Stirling Moss in a Vanwall at Monza in 1957. For Brabham, it would be its last victory in F1

June 23, 1985: Keke Rosberg underlined his liking for street circuits with victory in a Williams at the Detroit Grand Prix. His only two wins in the previous couple of seasons had been in Monaco in 1983 and Dallas in 1984

June 16, 1985: Michele Alboreto moved to the top of the drivers' championship with victory at the Canadian Grand Prix but Elio de Angelis did not give up first place without a fight, pressurising the Ferrari until the tyres on his Lotus began to fade

May 5, 1985: Alain Prost crossed the line first at the San Marino Grand Prix but his celebrations were short-lived as his car was found to be underweight and he was disqualified, handing Elio de Angelis the second and final victory of his 108-race career

April 21, 1985: In appalling conditions, Ayrton Senna won the Portuguese Grand Prix for Lotus, his first success in Formula One and confirmation that the form he showed in the opening round in Brazil was no one-off

April 7, 1985: Alain Prost started where McLaren had left off with victory in the opening race of the year in Rio, but the performance over the weekend of Lotus - with Ayrton Senna as a driver - and Ferrari, suggested a much closer fight for the championship was in store